P44 or P-44 may refer to:

Vessels , a corvette of the Argentine Navy , a submarine of the Royal Navy , a corvette of the Indian Navy

Other uses P44 (classification), a Modern pentathlon classification Feinwerkbau P44, a match pistol MAPK3, p44 mitogen-activated protein kinase P44 road (Ukraine) Papyrus 44, a biblical manuscript Phosphorus-44, an isotope of phosphorus Republic P-44 Rocket, a proposed American fighter aircraft P44, a Latvian state regional road